Fail

java.lang.Object

org.projog.core.predicate.AbstractSingleResultPredicate

org.projog.core.predicate.builtin.bool.Fail

All Implemented Interfaces:: KnowledgeBaseConsumer, PredicateFactory

public final class Fail extends AbstractSingleResultPredicate

fail - always fails.

The goal fail always fails.

Constructor Summary

Constructors

Constructor

Description

Fail()
Method Summary

Modifier and Type

Method

Description

boolean

evaluate()

Methods inherited from class AbstractSingleResultPredicate
evaluate, evaluate, evaluate, evaluate, evaluate, getArithmeticOperators, getFileHandles, getKnowledgeBase, getOperands, getPredicate, getPredicates, getProjogListeners, getSpyPoints, getTermFormatter, init, isRetryable, setKnowledgeBase

Methods inherited from class Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface PredicateFactory
isAlwaysCutOnBacktrack

Constructor Details
- Fail
  
  public Fail()
Method Details
- evaluate
  
  public boolean evaluate()
  
  Overrides:
  
  evaluate in class AbstractSingleResultPredicate